diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1a4d940
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+hmm_test
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a78013a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "externals/googletest"]
+	path = externals/googletest
+	url = https://github.com/google/googletest.git
diff --git a/README.md b/README.md
index b9eba81..908e42e 100644
--- a/README.md
+++ b/README.md
@@ -4,17 +4,17 @@
 Single-file cross-platform public domain game math library for C/C++
 
 
-Version         | Changes | 
+Version         | Changes        | 
 ----------------|----------------|
 **0.5.2**   | Fixed SSE code in HMM_SqrtF and HMM_RSqrtF |
 **0.5.1**   | Fixed HMM_Translate producing row-major matrices, ensured column-major order for matrices throughout |
 **0.5**     | Added scalar operations on vectors and matrices, added += and -= for hmm_mat4, reconciled headers and implementations, tidied up in general |
-**0.4**     | Added SSE Optimized HMM_SqrtF, HMM_RSqrtF, Removed use of C Runtime              | 
-**0.3**     | Added +=,-=, *=, /= for hmm_vec2, hmm_vec3, hmm_vec4              | 
-**0.2b**     | Disabled warning C4201 on MSVC, Added 64bit percision on HMM_PI              | 
-**0.2a**    | Prefixed Macros              | 
-**0.2**    | Updated Documentation, Fixed C Compliance, Prefixed all functions, and added better operator overloading               | 
-**0.1**     | Initial Version   | 
+**0.4**     | Added SSE Optimized HMM_SqrtF, HMM_RSqrtF, Removed use of C Runtime | 
+**0.3**     | Added +=,-=, *=, /= for hmm_vec2, hmm_vec3, hmm_vec4 | 
+**0.2b**    | Disabled warning C4201 on MSVC, Added 64bit percision on HMM_PI | 
+**0.2a**    | Prefixed Macros | 
+**0.2**     | Updated Documentation, Fixed C Compliance, Prefixed all functions, and added better operator overloading | 
+**0.1**     | Initial Version | 
 
 -----
 _This library is free and will stay free, but if you would like to support development, or you are a company using HandmadeMath, please consider financial support._
@@ -22,8 +22,8 @@ _This library is free and will stay free, but if you would like to support devel
 
 [![Patreon](https://cloud.githubusercontent.com/assets/8225057/5990484/70413560-a9ab-11e4-8942-1a63607c0b00.png)](http://www.patreon.com/strangezak) [![PayPal](https://www.paypalobjects.com/en_US/i/btn/btn_donate_LG.gif)](https://www.paypal.me/zakarystrange)
 
-## FAQ
 
+## FAQ
 
 **What's the license?**
 
@@ -32,3 +32,12 @@ This library is in the public domain. You can do whatever you want with them.
 **Where can I contact you to ask questions?**
 
 You can email me at: Zak@Handmade.Network
+
+
+## Testing
+
+```shell
+cd test
+make
+./hmm_test
+```
diff --git a/externals/googletest b/externals/googletest
new file mode 160000
index 0000000..ed9d1e1
--- /dev/null
+++ b/externals/googletest
@@ -0,0 +1 @@
+Subproject commit ed9d1e1ff92ce199de5ca2667a667cd0a368482a
diff --git a/test/HandmadeMath.cpp b/test/HandmadeMath.cpp
new file mode 100644
index 0000000..5514f0b
--- /dev/null
+++ b/test/HandmadeMath.cpp
@@ -0,0 +1,5 @@
+
+#define HANDMADE_MATH_IMPLEMENTATION
+#define HANDMADE_MATH_CPP_MODE
+#define HANDMADE_MATH_NO_INLINE
+#include "../HandmadeMath.h"
diff --git a/test/Makefile b/test/Makefile
new file mode 100644
index 0000000..d17d47a
--- /dev/null
+++ b/test/Makefile
@@ -0,0 +1,81 @@
+# A sample Makefile for building Google Test and using it in user
+# tests.  Please tweak it to suit your environment and project.  You
+# may want to move it to your project's root directory.
+#
+# SYNOPSIS:
+#
+#   make [all]  - makes everything.
+#   make TARGET - makes the given target.
+#   make clean  - removes all files generated by make.
+
+# Please tweak the following variable definitions as needed by your
+# project, except GTEST_HEADERS, which you can use in your own targets
+# but shouldn't modify.
+
+# Points to the root of Google Test, relative to where this file is.
+# Remember to tweak this if you move this file.
+GTEST_DIR = ../externals/googletest/googletest
+
+# Where to find user code.
+USER_DIR = ..
+
+# Flags passed to the preprocessor.
+# Set Google Test's header directory as a system directory, such that
+# the compiler doesn't generate warnings in Google Test headers.
+CPPFLAGS += -isystem $(GTEST_DIR)/include
+
+# Flags passed to the C++ compiler.
+CXXFLAGS += -g -Wall -Wextra -pthread -Wno-missing-braces -Wno-missing-field-initializers
+
+# All tests produced by this Makefile.  Remember to add new tests you
+# created to the list.
+TESTS = hmm_test
+
+# All Google Test headers.  Usually you shouldn't change this
+# definition.
+GTEST_HEADERS = $(GTEST_DIR)/include/gtest/*.h \
+                $(GTEST_DIR)/include/gtest/internal/*.h
+
+# House-keeping build targets.
+
+all : $(TESTS)
+
+clean :
+	rm -f $(TESTS) gtest.a gtest_main.a *.o
+
+# Builds gtest.a and gtest_main.a.
+
+# Usually you shouldn't tweak such internal variables, indicated by a
+# trailing _.
+GTEST_SRCS_ = $(GTEST_DIR)/src/*.cc $(GTEST_DIR)/src/*.h $(GTEST_HEADERS)
+
+# For simplicity and to avoid depending on Google Test's
+# implementation details, the dependencies specified below are
+# conservative and not optimized.  This is fine as Google Test
+# compiles fast and for ordinary users its source rarely changes.
+gtest-all.o : $(GTEST_SRCS_)
+	$(CXX) $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) -c \
+            $(GTEST_DIR)/src/gtest-all.cc
+
+gtest_main.o : $(GTEST_SRCS_)
+	$(CXX) $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) -c \
+            $(GTEST_DIR)/src/gtest_main.cc
+
+gtest.a : gtest-all.o
+	$(AR) $(ARFLAGS) $@ $^
+
+gtest_main.a : gtest-all.o gtest_main.o
+	$(AR) $(ARFLAGS) $@ $^
+
+# Builds a sample test.  A test should link with either gtest.a or
+# gtest_main.a, depending on whether it defines its own main()
+# function.
+
+HandmadeMath.o : $(USER_DIR)/test/HandmadeMath.cpp $(USER_DIR)/HandmadeMath.h $(GTEST_HEADERS)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(USER_DIR)/test/HandmadeMath.cpp
+
+hmm_test.o : $(USER_DIR)/test/hmm_test.cpp $(GTEST_HEADERS)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(USER_DIR)/test/hmm_test.cpp
+
+hmm_test : HandmadeMath.o hmm_test.o gtest_main.a
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -lpthread $^ -o $@
diff --git a/test/hmm_test.cpp b/test/hmm_test.cpp
new file mode 100644
index 0000000..824e58c
--- /dev/null
+++ b/test/hmm_test.cpp
@@ -0,0 +1,1324 @@
+
+#define HANDMADE_MATH_CPP_MODE
+#include "../HandmadeMath.h"
+
+#include "gtest/gtest.h"
+
+
+TEST(ScalarMath, Trigonometry)
+{
+    // We have to be a little looser with our equality constraint
+    // because of floating-point precision issues.
+    const float trigAbsError = 0.0001f;
+
+    EXPECT_NEAR(HMM_SinF(0.0f), 0.0f, trigAbsError);
+    EXPECT_NEAR(HMM_SinF(HMM_PI32 / 2), 1.0f, trigAbsError);
+    EXPECT_NEAR(HMM_SinF(HMM_PI32), 0.0f, trigAbsError);
+    EXPECT_NEAR(HMM_SinF(3 * HMM_PI32 / 2), -1.0f, trigAbsError);
+    EXPECT_NEAR(HMM_SinF(-HMM_PI32 / 2), -1.0f, trigAbsError);
+
+    EXPECT_NEAR(HMM_CosF(0.0f), 1.0f, trigAbsError);
+    EXPECT_NEAR(HMM_CosF(HMM_PI32 / 2), 0.0f, trigAbsError);
+    EXPECT_NEAR(HMM_CosF(HMM_PI32), -1.0f, trigAbsError);
+    EXPECT_NEAR(HMM_CosF(3 * HMM_PI32 / 2), 0.0f, trigAbsError);
+    EXPECT_NEAR(HMM_CosF(-HMM_PI32), -1.0f, trigAbsError);
+
+    EXPECT_NEAR(HMM_TanF(0.0f), 0.0f, trigAbsError);
+    EXPECT_NEAR(HMM_TanF(HMM_PI32 / 4), 1.0f, trigAbsError);
+    EXPECT_NEAR(HMM_TanF(3 * HMM_PI32 / 4), -1.0f, trigAbsError);
+    EXPECT_NEAR(HMM_TanF(HMM_PI32), 0.0f, trigAbsError);
+    EXPECT_NEAR(HMM_TanF(-HMM_PI32 / 4), -1.0f, trigAbsError);
+
+    // This isn't the most rigorous because we're really just sanity-
+    // checking that things work by default.
+}
+
+TEST(ScalarMath, SqrtF)
+{
+    EXPECT_FLOAT_EQ(HMM_SqrtF(16.0f), 4.0f);
+}
+
+TEST(ScalarMath, ToRadians)
+{
+    EXPECT_FLOAT_EQ(HMM_ToRadians(0.0f), 0);
+    EXPECT_FLOAT_EQ(HMM_ToRadians(180.0f), HMM_PI32);
+    EXPECT_FLOAT_EQ(HMM_ToRadians(-180.0f), -HMM_PI32);
+}
+
+TEST(ScalarMath, SquareRoot)
+{
+    // EXPECT_FLOAT_EQ(HMM_SquareRoot(16.0f), 4.0f);
+    FAIL() << "Bad header, function not defined. See commented line above.";
+}
+
+TEST(ScalarMath, FastInverseSquareRoot)
+{
+    // EXPECT_FLOAT_EQ(HMM_FastInverseSquareRoot(4.0f), 0.5f); // linker error, no function body
+    FAIL() << "Bad header, function not defined. See commented line above.";
+}
+
+TEST(ScalarMath, Power)
+{
+    EXPECT_FLOAT_EQ(HMM_Power(2.0f, 0), 1.0f);
+    EXPECT_FLOAT_EQ(HMM_Power(2.0f, 4), 16.0f);
+    EXPECT_FLOAT_EQ(HMM_Power(2.0f, -2), 0.25f);
+}
+
+TEST(ScalarMath, Clamp)
+{
+    EXPECT_FLOAT_EQ(HMM_Clamp(-2.0f, 0.0f, 2.0f), 0.0f);
+    EXPECT_FLOAT_EQ(HMM_Clamp(-2.0f, -3.0f, 2.0f), -2.0f);
+    EXPECT_FLOAT_EQ(HMM_Clamp(-2.0f, 3.0f, 2.0f), 2.0f);
+}
+
+TEST(Initialization, Vectors)
+{
+    //
+    // Test vec2
+    // 
+    hmm_vec2 v2 = HMM_Vec2(1.0f, 2.0f);
+    hmm_vec2 v2i = HMM_Vec2(1, 2);
+
+    EXPECT_FLOAT_EQ(v2.X, 1.0f);
+    EXPECT_FLOAT_EQ(v2.Y, 2.0f);
+
+    EXPECT_FLOAT_EQ(v2i.X, 1.0f);
+    EXPECT_FLOAT_EQ(v2i.Y, 2.0f);
+
+    //
+    // Test vec3
+    //
+    hmm_vec3 v3 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec3 v3i = HMM_Vec3i(1, 2, 3);
+
+    EXPECT_FLOAT_EQ(v3.X, 1.0f);
+    EXPECT_FLOAT_EQ(v3.Y, 2.0f);
+    EXPECT_FLOAT_EQ(v3.Z, 3.0f);
+
+    EXPECT_FLOAT_EQ(v3i.X, 1.0f);
+    EXPECT_FLOAT_EQ(v3i.Y, 2.0f);
+    EXPECT_FLOAT_EQ(v3i.Z, 3.0f);
+
+    //
+    // Test vec4
+    //
+    hmm_vec4 v4 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
+    hmm_vec4 v4i = HMM_Vec4i(1, 2, 3, 4);
+    hmm_vec4 v4v = HMM_Vec4v(v3, 4.0f);
+
+    EXPECT_FLOAT_EQ(v4.X, 1.0f);
+    EXPECT_FLOAT_EQ(v4.Y, 2.0f);
+    EXPECT_FLOAT_EQ(v4.Z, 3.0f);
+    EXPECT_FLOAT_EQ(v4.W, 4.0f);
+
+    EXPECT_FLOAT_EQ(v4i.X, 1.0f);
+    EXPECT_FLOAT_EQ(v4i.Y, 2.0f);
+    EXPECT_FLOAT_EQ(v4i.Z, 3.0f);
+    EXPECT_FLOAT_EQ(v4i.W, 4.0f);
+
+    EXPECT_FLOAT_EQ(v4v.X, 1.0f);
+    EXPECT_FLOAT_EQ(v4v.Y, 2.0f);
+    EXPECT_FLOAT_EQ(v4v.Z, 3.0f);
+    EXPECT_FLOAT_EQ(v4v.W, 4.0f);
+}
+
+TEST(Initialization, MatrixEmpty)
+{
+    hmm_mat4 m4 = HMM_Mat4();
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            EXPECT_FLOAT_EQ(m4.Elements[Column][Row], 0) << "At column " << Column << ", row " << Row;
+        }
+    }
+}
+
+TEST(Initialization, MatrixDiagonal)
+{
+    hmm_mat4 m4d = HMM_Mat4d(1.0f);
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            if (Column == Row) {
+                EXPECT_FLOAT_EQ(m4d.Elements[Column][Row], 1.0f) << "At column " << Column << ", row " << Row;
+            } else {
+                EXPECT_FLOAT_EQ(m4d.Elements[Column][Row], 0) << "At column " << Column << ", row " << Row;
+            }
+        }
+    }
+}
+
+TEST(VectorOps, Inner)
+{
+    hmm_vec3 v1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec3 v2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
+
+    EXPECT_FLOAT_EQ(HMM_Inner(v1, v2), 32.0f);
+}
+
+TEST(VectorOps, LengthSquareRoot)
+{
+    hmm_vec3 v = HMM_Vec3(1.0f, -2.0f, 3.0f);
+
+    EXPECT_FLOAT_EQ(HMM_LengthSquareRoot(v), 14.0f);
+}
+
+TEST(VectorOps, Length)
+{
+    hmm_vec3 v = HMM_Vec3(2.0f, -3.0f, 6.0f);
+
+    EXPECT_FLOAT_EQ(HMM_Length(v), 7.0f);
+}
+
+TEST(VectorOps, Normalize)
+{
+    hmm_vec3 v = HMM_Vec3(1.0f, -2.0f, 3.0f);
+
+    hmm_vec3 result = HMM_Normalize(v);
+
+    EXPECT_FLOAT_EQ(HMM_Length(result), 1.0f);
+    EXPECT_LT(result.Y, 0);
+}
+
+TEST(VectorOps, Cross)
+{
+    hmm_vec3 v1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec3 v2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
+
+    hmm_vec3 result = HMM_Cross(v1, v2);
+
+    EXPECT_FLOAT_EQ(result.X, -3.0f);
+    EXPECT_FLOAT_EQ(result.Y, 6.0f);
+    EXPECT_FLOAT_EQ(result.Z, -3.0f);
+}
+
+TEST(VectorOps, Dot)
+{
+    hmm_vec3 v1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec3 v2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
+
+    EXPECT_FLOAT_EQ(HMM_Inner(v1, v2), 32.0f);
+}
+
+TEST(Addition, Vec2)
+{
+    hmm_vec2 v2_1 = HMM_Vec2(1.0f, 2.0f);
+    hmm_vec2 v2_2 = HMM_Vec2(3.0f, 4.0f);
+
+    {
+        hmm_vec2 result = HMM_AddVec2(v2_1, v2_2);
+        EXPECT_FLOAT_EQ(result.X, 4.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+    }
+    {
+        hmm_vec2 result = HMM_Add(v2_1, v2_2);
+        EXPECT_FLOAT_EQ(result.X, 4.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+    }
+    {
+        hmm_vec2 result = v2_1 + v2_2;
+        EXPECT_FLOAT_EQ(result.X, 4.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+    }    
+
+    v2_1 += v2_2;
+    EXPECT_FLOAT_EQ(v2_1.X, 4.0f);
+    EXPECT_FLOAT_EQ(v2_1.Y, 6.0f);
+}
+
+TEST(Addition, Vec3)
+{
+    hmm_vec3 v3_1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec3 v3_2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
+
+    {
+        hmm_vec3 result = HMM_AddVec3(v3_1, v3_2);
+        EXPECT_FLOAT_EQ(result.X, 5.0f);
+        EXPECT_FLOAT_EQ(result.Y, 7.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);    
+    }
+    {
+        hmm_vec3 result = HMM_Add(v3_1, v3_2);
+        EXPECT_FLOAT_EQ(result.X, 5.0f);
+        EXPECT_FLOAT_EQ(result.Y, 7.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+    }
+    {
+        hmm_vec3 result = v3_1 + v3_2;
+        EXPECT_FLOAT_EQ(result.X, 5.0f);
+        EXPECT_FLOAT_EQ(result.Y, 7.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+    }
+
+    v3_1 += v3_2;
+    EXPECT_FLOAT_EQ(v3_1.X, 5.0f);
+    EXPECT_FLOAT_EQ(v3_1.Y, 7.0f);
+    EXPECT_FLOAT_EQ(v3_1.Z, 9.0f);
+}
+
+TEST(Addition, Vec4)
+{
+    hmm_vec4 v4_1 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
+    hmm_vec4 v4_2 = HMM_Vec4(5.0f, 6.0f, 7.0f, 8.0f);
+    
+    {
+        hmm_vec4 result = HMM_AddVec4(v4_1, v4_2);
+        EXPECT_FLOAT_EQ(result.X, 6.0f);
+        EXPECT_FLOAT_EQ(result.Y, 8.0f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+        EXPECT_FLOAT_EQ(result.W, 12.0f);
+    }
+    {
+        hmm_vec4 result = HMM_Add(v4_1, v4_2);
+        EXPECT_FLOAT_EQ(result.X, 6.0f);
+        EXPECT_FLOAT_EQ(result.Y, 8.0f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+        EXPECT_FLOAT_EQ(result.W, 12.0f);
+    }
+    {
+        hmm_vec4 result = v4_1 + v4_2;
+        EXPECT_FLOAT_EQ(result.X, 6.0f);
+        EXPECT_FLOAT_EQ(result.Y, 8.0f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+        EXPECT_FLOAT_EQ(result.W, 12.0f);
+    }
+
+    v4_1 += v4_2;
+    EXPECT_FLOAT_EQ(v4_1.X, 6.0f);
+    EXPECT_FLOAT_EQ(v4_1.Y, 8.0f);
+    EXPECT_FLOAT_EQ(v4_1.Z, 10.0f);
+    EXPECT_FLOAT_EQ(v4_1.W, 12.0f);
+}
+
+TEST(Addition, Mat4)
+{
+    hmm_mat4 m4_1 = HMM_Mat4(); // will have 1 - 16
+    hmm_mat4 m4_2 = HMM_Mat4(); // will have 17 - 32
+
+    // Fill the matrices
+    int Counter = 1;
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4_1.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4_2.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+
+    // Test the results
+    {
+        hmm_mat4 result = HMM_AddMat4(m4_1, m4_2);
+        float Expected = 18.0f;
+        for (int Column = 0; Column < 4; ++Column)
+        {
+            for (int Row = 0; Row < 4; ++Row)
+            {
+                EXPECT_FLOAT_EQ(result.Elements[Column][Row], Expected) << "At column " << Column << ", row " << Row;
+                Expected += 2.0f;
+            }
+        }
+    }
+    {
+        hmm_mat4 result = HMM_Add(m4_1, m4_2);
+        float Expected = 18.0f;
+        for (int Column = 0; Column < 4; ++Column)
+        {
+            for (int Row = 0; Row < 4; ++Row)
+            {
+                EXPECT_FLOAT_EQ(result.Elements[Column][Row], Expected) << "At column " << Column << ", row " << Row;
+                Expected += 2.0f;
+            }
+        }
+    }
+    {
+        hmm_mat4 result = m4_1 + m4_2;
+        float Expected = 18.0f;
+        for (int Column = 0; Column < 4; ++Column)
+        {
+            for (int Row = 0; Row < 4; ++Row)
+            {
+                EXPECT_FLOAT_EQ(result.Elements[Column][Row], Expected) << "At column " << Column << ", row " << Row;
+                Expected += 2.0f;
+            }
+        }
+    }
+
+    m4_1 += m4_2;
+    float Expected = 18.0f;
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            EXPECT_FLOAT_EQ(m4_1.Elements[Column][Row], Expected) << "At column " << Column << ", row " << Row;
+            Expected += 2.0f;
+        }
+    }
+}
+
+TEST(Subtraction, Vec2)
+{
+    hmm_vec2 v2_1 = HMM_Vec2(1.0f, 2.0f);
+    hmm_vec2 v2_2 = HMM_Vec2(3.0f, 4.0f);
+
+    {
+        hmm_vec2 result = HMM_SubtractVec2(v2_1, v2_2);
+        EXPECT_FLOAT_EQ(result.X, -2.0f);
+        EXPECT_FLOAT_EQ(result.Y, -2.0f);
+    }
+    {
+        hmm_vec2 result = HMM_Subtract(v2_1, v2_2);
+        EXPECT_FLOAT_EQ(result.X, -2.0f);
+        EXPECT_FLOAT_EQ(result.Y, -2.0f);
+    }
+    {
+        hmm_vec2 result = v2_1 - v2_2;
+        EXPECT_FLOAT_EQ(result.X, -2.0f);
+        EXPECT_FLOAT_EQ(result.Y, -2.0f);
+    }
+
+    v2_1 -= v2_2;
+    EXPECT_FLOAT_EQ(v2_1.X, -2.0f);
+    EXPECT_FLOAT_EQ(v2_1.Y, -2.0f);
+}
+
+TEST(Subtraction, Vec3)
+{
+    hmm_vec3 v3_1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec3 v3_2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
+
+    {
+        hmm_vec3 result = HMM_SubtractVec3(v3_1, v3_2);
+        EXPECT_FLOAT_EQ(result.X, -3.0f);
+        EXPECT_FLOAT_EQ(result.Y, -3.0f);
+        EXPECT_FLOAT_EQ(result.Z, -3.0f);
+    }
+    {
+        hmm_vec3 result = HMM_Subtract(v3_1, v3_2);
+        EXPECT_FLOAT_EQ(result.X, -3.0f);
+        EXPECT_FLOAT_EQ(result.Y, -3.0f);
+        EXPECT_FLOAT_EQ(result.Z, -3.0f);
+    }
+    {
+        hmm_vec3 result = v3_1 - v3_2;
+        EXPECT_FLOAT_EQ(result.X, -3.0f);
+        EXPECT_FLOAT_EQ(result.Y, -3.0f);
+        EXPECT_FLOAT_EQ(result.Z, -3.0f);
+    }
+
+    v3_1 -= v3_2;
+    EXPECT_FLOAT_EQ(v3_1.X, -3.0f);
+    EXPECT_FLOAT_EQ(v3_1.Y, -3.0f);
+    EXPECT_FLOAT_EQ(v3_1.Z, -3.0f);
+}
+
+TEST(Subtraction, Vec4)
+{
+    hmm_vec4 v4_1 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
+    hmm_vec4 v4_2 = HMM_Vec4(5.0f, 6.0f, 7.0f, 8.0f);
+
+    {
+        hmm_vec4 result = HMM_SubtractVec4(v4_1, v4_2);
+        EXPECT_FLOAT_EQ(result.X, -4.0f);
+        EXPECT_FLOAT_EQ(result.Y, -4.0f);
+        EXPECT_FLOAT_EQ(result.Z, -4.0f);
+        EXPECT_FLOAT_EQ(result.W, -4.0f);
+    }
+    {
+        hmm_vec4 result = HMM_Subtract(v4_1, v4_2);
+        EXPECT_FLOAT_EQ(result.X, -4.0f);
+        EXPECT_FLOAT_EQ(result.Y, -4.0f);
+        EXPECT_FLOAT_EQ(result.Z, -4.0f);
+        EXPECT_FLOAT_EQ(result.W, -4.0f);
+    }
+    {
+        hmm_vec4 result = v4_1 - v4_2;
+        EXPECT_FLOAT_EQ(result.X, -4.0f);
+        EXPECT_FLOAT_EQ(result.Y, -4.0f);
+        EXPECT_FLOAT_EQ(result.Z, -4.0f);
+        EXPECT_FLOAT_EQ(result.W, -4.0f);
+    }
+
+    v4_1 -= v4_2;
+    EXPECT_FLOAT_EQ(v4_1.X, -4.0f);
+    EXPECT_FLOAT_EQ(v4_1.Y, -4.0f);
+    EXPECT_FLOAT_EQ(v4_1.Z, -4.0f);
+    EXPECT_FLOAT_EQ(v4_1.W, -4.0f);
+}
+
+TEST(Subtraction, Mat4)
+{
+    hmm_mat4 m4_1 = HMM_Mat4(); // will have 1 - 16
+    hmm_mat4 m4_2 = HMM_Mat4(); // will have 17 - 32
+
+    // Fill the matrices
+    int Counter = 1;
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4_1.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4_2.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+
+    // Test the results
+    {
+        hmm_mat4 result = HMM_SubtractMat4(m4_1, m4_2);
+        for (int Column = 0; Column < 4; ++Column)
+        {
+            for (int Row = 0; Row < 4; ++Row)
+            {
+                EXPECT_FLOAT_EQ(result.Elements[Column][Row], -16.0f) << "At column " << Column << ", row " << Row;
+            }
+        }
+    }
+    {
+        hmm_mat4 result = HMM_Subtract(m4_1, m4_2);
+        for (int Column = 0; Column < 4; ++Column)
+        {
+            for (int Row = 0; Row < 4; ++Row)
+            {
+                EXPECT_FLOAT_EQ(result.Elements[Column][Row], -16.0f) << "At column " << Column << ", row " << Row;
+            }
+        }
+    }
+    {
+        hmm_mat4 result = m4_1 - m4_2;
+        for (int Column = 0; Column < 4; ++Column)
+        {
+            for (int Row = 0; Row < 4; ++Row)
+            {
+                EXPECT_FLOAT_EQ(result.Elements[Column][Row], -16.0f) << "At column " << Column << ", row " << Row;
+            }
+        }
+    }
+
+    m4_1 -= m4_2;
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            EXPECT_FLOAT_EQ(m4_1.Elements[Column][Row], -16.0f) << "At column " << Column << ", row " << Row;
+        }
+    }
+}
+
+TEST(Multiplication, Vec2Vec2)
+{
+    hmm_vec2 v2_1 = HMM_Vec2(1.0f, 2.0f);
+    hmm_vec2 v2_2 = HMM_Vec2(3.0f, 4.0f);
+
+    {
+        hmm_vec2 result = HMM_MultiplyVec2(v2_1, v2_2);
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 8.0f);
+    }
+    {
+        hmm_vec2 result = HMM_Multiply(v2_1, v2_2);
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 8.0f);
+    }
+    {
+        hmm_vec2 result = v2_1 * v2_2;
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 8.0f);
+    }
+
+    v2_1 *= v2_2;
+    EXPECT_FLOAT_EQ(v2_1.X, 3.0f);
+    EXPECT_FLOAT_EQ(v2_1.Y, 8.0f);
+}
+
+TEST(Multiplication, Vec2Scalar)
+{
+    hmm_vec2 v2 = HMM_Vec2(1.0f, 2.0f);
+    float s = 3.0f;
+
+    {
+        hmm_vec2 result = HMM_MultiplyVec2f(v2, s);
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+    }
+    {
+        hmm_vec2 result = HMM_Multiply(v2, s);
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+    }
+    {
+        hmm_vec2 result = v2 * s;
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+    }
+    {
+        hmm_vec2 result = s * v2;
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+    }
+
+    v2 *= s;
+    EXPECT_FLOAT_EQ(v2.X, 3.0f);
+    EXPECT_FLOAT_EQ(v2.Y, 6.0f);
+}
+
+TEST(Multiplication, Vec3Vec3)
+{
+    hmm_vec3 v3_1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec3 v3_2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
+
+    {
+        hmm_vec3 result = HMM_MultiplyVec3(v3_1, v3_2);
+        EXPECT_FLOAT_EQ(result.X, 4.0f);
+        EXPECT_FLOAT_EQ(result.Y, 10.0f);
+        EXPECT_FLOAT_EQ(result.Z, 18.0f);
+    }
+    {
+        hmm_vec3 result = HMM_Multiply(v3_1, v3_2);
+        EXPECT_FLOAT_EQ(result.X, 4.0f);
+        EXPECT_FLOAT_EQ(result.Y, 10.0f);
+        EXPECT_FLOAT_EQ(result.Z, 18.0f);
+    }
+    {
+        hmm_vec3 result = v3_1 * v3_2;
+        EXPECT_FLOAT_EQ(result.X, 4.0f);
+        EXPECT_FLOAT_EQ(result.Y, 10.0f);
+        EXPECT_FLOAT_EQ(result.Z, 18.0f);
+    }
+
+    v3_1 *= v3_2;
+    EXPECT_FLOAT_EQ(v3_1.X, 4.0f);
+    EXPECT_FLOAT_EQ(v3_1.Y, 10.0f);
+    EXPECT_FLOAT_EQ(v3_1.Z, 18.0f);
+}
+
+TEST(Multiplication, Vec3Scalar)
+{
+    hmm_vec3 v3 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    float s = 3.0f;
+
+    {
+        hmm_vec3 result = HMM_MultiplyVec3f(v3, s);
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+    }
+    {
+        hmm_vec3 result = HMM_Multiply(v3, s);
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+    }
+    {
+        hmm_vec3 result = v3 * s;
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+    }
+    {
+        hmm_vec3 result = s * v3;
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+    }
+
+    v3 *= s;
+    EXPECT_FLOAT_EQ(v3.X, 3.0f);
+    EXPECT_FLOAT_EQ(v3.Y, 6.0f);
+    EXPECT_FLOAT_EQ(v3.Z, 9.0f);
+}
+
+TEST(Multiplication, Vec4Vec4)
+{
+    hmm_vec4 v4_1 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
+    hmm_vec4 v4_2 = HMM_Vec4(5.0f, 6.0f, 7.0f, 8.0f);
+
+    {
+        hmm_vec4 result = HMM_MultiplyVec4(v4_1, v4_2);
+        EXPECT_FLOAT_EQ(result.X, 5.0f);
+        EXPECT_FLOAT_EQ(result.Y, 12.0f);
+        EXPECT_FLOAT_EQ(result.Z, 21.0f);
+        EXPECT_FLOAT_EQ(result.W, 32.0f);
+    }
+    {
+        hmm_vec4 result = HMM_Multiply(v4_1, v4_2);
+        EXPECT_FLOAT_EQ(result.X, 5.0f);
+        EXPECT_FLOAT_EQ(result.Y, 12.0f);
+        EXPECT_FLOAT_EQ(result.Z, 21.0f);
+        EXPECT_FLOAT_EQ(result.W, 32.0f);
+    }
+    {
+        hmm_vec4 result = v4_1 * v4_2;
+        EXPECT_FLOAT_EQ(result.X, 5.0f);
+        EXPECT_FLOAT_EQ(result.Y, 12.0f);
+        EXPECT_FLOAT_EQ(result.Z, 21.0f);
+        EXPECT_FLOAT_EQ(result.W, 32.0f);
+    }
+
+    v4_1 *= v4_2;
+    EXPECT_FLOAT_EQ(v4_1.X, 5.0f);
+    EXPECT_FLOAT_EQ(v4_1.Y, 12.0f);
+    EXPECT_FLOAT_EQ(v4_1.Z, 21.0f);
+    EXPECT_FLOAT_EQ(v4_1.W, 32.0f);
+}
+
+TEST(Multiplication, Vec4Scalar)
+{
+    hmm_vec4 v4 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
+    float s = 3.0f;
+
+    {
+        hmm_vec4 result = HMM_MultiplyVec4f(v4, s);
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+        EXPECT_FLOAT_EQ(result.W, 12.0f);
+    }
+    {
+        hmm_vec4 result = HMM_Multiply(v4, s);
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+        EXPECT_FLOAT_EQ(result.W, 12.0f);
+    }
+    {
+        hmm_vec4 result = v4 * s;
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+        EXPECT_FLOAT_EQ(result.W, 12.0f);
+    }
+    {
+        hmm_vec4 result = s * v4;
+        EXPECT_FLOAT_EQ(result.X, 3.0f);
+        EXPECT_FLOAT_EQ(result.Y, 6.0f);
+        EXPECT_FLOAT_EQ(result.Z, 9.0f);
+        EXPECT_FLOAT_EQ(result.W, 12.0f);
+    }
+
+    v4 *= s;
+    EXPECT_FLOAT_EQ(v4.X, 3.0f);
+    EXPECT_FLOAT_EQ(v4.Y, 6.0f);
+    EXPECT_FLOAT_EQ(v4.Z, 9.0f);
+}
+
+TEST(Multiplication, Mat4Mat4)
+{
+    hmm_mat4 m4_1 = HMM_Mat4(); // will have 1 - 16
+    hmm_mat4 m4_2 = HMM_Mat4(); // will have 17 - 32
+
+    // Fill the matrices
+    int Counter = 1;
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4_1.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4_2.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+
+    // Test the results
+    {
+        hmm_mat4 result = HMM_MultiplyMat4(m4_1, m4_2);
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 538.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 612.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 686.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 760.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 650.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 740.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 830.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 920.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 762.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 868.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 974.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 1080.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 874.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 996.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 1118.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 1240.0f);
+    }
+    {
+        hmm_mat4 result = HMM_Multiply(m4_1, m4_2);
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 538.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 612.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 686.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 760.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 650.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 740.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 830.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 920.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 762.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 868.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 974.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 1080.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 874.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 996.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 1118.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 1240.0f);
+    }
+    {
+        hmm_mat4 result = m4_1 * m4_2;
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 538.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 612.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 686.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 760.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 650.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 740.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 830.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 920.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 762.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 868.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 974.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 1080.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 874.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 996.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 1118.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 1240.0f);
+    }
+
+    // At the time I wrote this, I intentionally omitted
+    // the *= operator for matrices because matrix
+    // multiplication is not commutative. (bvisness)
+}
+
+TEST(Multiplication, Mat4Scalar)
+{
+    hmm_mat4 m4 = HMM_Mat4(); // will have 1 - 16
+    float s = 3;
+
+    // Fill the matrix
+    int Counter = 1;
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+
+    // Test the results
+    {
+        hmm_mat4 result = HMM_MultiplyMat4f(m4, s);
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 3.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 6.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 12.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 15.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 18.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 21.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 24.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 27.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 30.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 33.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 36.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 39.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 42.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 45.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 48.0f);
+    }
+    {
+        hmm_mat4 result = HMM_Multiply(m4, s);
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 3.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 6.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 12.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 15.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 18.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 21.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 24.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 27.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 30.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 33.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 36.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 39.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 42.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 45.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 48.0f);
+    }
+    {
+        hmm_mat4 result = m4 * s;
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 3.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 6.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 12.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 15.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 18.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 21.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 24.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 27.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 30.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 33.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 36.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 39.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 42.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 45.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 48.0f);
+    }
+    {
+        hmm_mat4 result = s * m4;
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 3.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 6.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 9.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 12.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 15.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 18.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 21.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 24.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 27.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 30.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 33.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 36.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 39.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 42.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 45.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 48.0f);
+    }
+
+    m4 *= s;
+    EXPECT_FLOAT_EQ(m4.Elements[0][0], 3.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[0][1], 6.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[0][2], 9.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[0][3], 12.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[1][0], 15.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[1][1], 18.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[1][2], 21.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[1][3], 24.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[2][0], 27.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[2][1], 30.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[2][2], 33.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[2][3], 36.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[3][0], 39.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[3][1], 42.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[3][2], 45.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[3][3], 48.0f);
+}
+
+TEST(Multiplication, Mat4Vec4)
+{
+    hmm_mat4 m4 = HMM_Mat4(); // will have 1 - 16
+    hmm_vec4 v4 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
+
+    // Fill the matrix
+    int Counter = 1;
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+
+    // Test the results
+    {
+        hmm_vec4 result = HMM_MultiplyMat4ByVec4(m4, v4);
+        EXPECT_FLOAT_EQ(result.X, 90);
+        EXPECT_FLOAT_EQ(result.Y, 100);
+        EXPECT_FLOAT_EQ(result.Z, 110);
+        EXPECT_FLOAT_EQ(result.W, 120);
+    }
+    {
+        hmm_vec4 result = HMM_Multiply(m4, v4);
+        EXPECT_FLOAT_EQ(result.X, 90);
+        EXPECT_FLOAT_EQ(result.Y, 100);
+        EXPECT_FLOAT_EQ(result.Z, 110);
+        EXPECT_FLOAT_EQ(result.W, 120);
+    }
+    {
+        hmm_vec4 result = m4 * v4;
+        EXPECT_FLOAT_EQ(result.X, 90);
+        EXPECT_FLOAT_EQ(result.Y, 100);
+        EXPECT_FLOAT_EQ(result.Z, 110);
+        EXPECT_FLOAT_EQ(result.W, 120);
+    }
+
+    // *= makes no sense for this particular case.
+}
+
+TEST(Division, Vec2Vec2)
+{
+    hmm_vec2 v2_1 = HMM_Vec2(1.0f, 3.0f);
+    hmm_vec2 v2_2 = HMM_Vec2(2.0f, 4.0f);
+
+    {
+        hmm_vec2 result = HMM_DivideVec2(v2_1, v2_2);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+    }
+    {
+        hmm_vec2 result = HMM_Divide(v2_1, v2_2);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+    }
+    {
+        hmm_vec2 result = v2_1 / v2_2;
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+    }
+
+    v2_1 /= v2_2;
+    EXPECT_FLOAT_EQ(v2_1.X, 0.5f);
+    EXPECT_FLOAT_EQ(v2_1.Y, 0.75f);
+}
+
+TEST(Division, Vec2Scalar)
+{
+    hmm_vec2 v2 = HMM_Vec2(1.0f, 2.0f);
+    float s = 2;
+
+    {
+        hmm_vec2 result = HMM_DivideVec2f(v2, s);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+    }
+    {
+        hmm_vec2 result = HMM_Divide(v2, s);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+    }
+    {
+        hmm_vec2 result = v2 / s;
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+    }
+
+    v2 /= s;
+    EXPECT_FLOAT_EQ(v2.X, 0.5f);
+    EXPECT_FLOAT_EQ(v2.Y, 1.0f);
+}
+
+TEST(Division, Vec3Vec3)
+{
+    hmm_vec3 v3_1 = HMM_Vec3(1.0f, 3.0f, 5.0f);
+    hmm_vec3 v3_2 = HMM_Vec3(2.0f, 4.0f, 0.5f);
+
+    {
+        hmm_vec3 result = HMM_DivideVec3(v3_1, v3_2);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+    }
+    {
+        hmm_vec3 result = HMM_Divide(v3_1, v3_2);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+    }
+    {
+        hmm_vec3 result = v3_1 / v3_2;
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+    }
+
+    v3_1 /= v3_2;
+    EXPECT_FLOAT_EQ(v3_1.X, 0.5f);
+    EXPECT_FLOAT_EQ(v3_1.Y, 0.75f);
+    EXPECT_FLOAT_EQ(v3_1.Z, 10.0f);
+}
+
+TEST(Division, Vec3Scalar)
+{
+    hmm_vec3 v3 = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    float s = 2;
+
+    {
+        hmm_vec3 result = HMM_DivideVec3f(v3, s);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+        EXPECT_FLOAT_EQ(result.Z, 1.5f);
+    }
+    {
+        hmm_vec3 result = HMM_Divide(v3, s);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+        EXPECT_FLOAT_EQ(result.Z, 1.5f);
+    }
+    {
+        hmm_vec3 result = v3 / s;
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+        EXPECT_FLOAT_EQ(result.Z, 1.5f);
+    }
+
+    v3 /= s;
+    EXPECT_FLOAT_EQ(v3.X, 0.5f);
+    EXPECT_FLOAT_EQ(v3.Y, 1.0f);
+    EXPECT_FLOAT_EQ(v3.Z, 1.5f);
+}
+
+TEST(Division, Vec4Vec4)
+{
+    hmm_vec4 v4_1 = HMM_Vec4(1.0f, 3.0f, 5.0f, 1.0f);
+    hmm_vec4 v4_2 = HMM_Vec4(2.0f, 4.0f, 0.5f, 4.0f);
+
+    {
+        hmm_vec4 result = HMM_DivideVec4(v4_1, v4_2);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+        EXPECT_FLOAT_EQ(result.W, 0.25f);
+    }
+    {
+        hmm_vec4 result = HMM_Divide(v4_1, v4_2);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+        EXPECT_FLOAT_EQ(result.W, 0.25f);
+    }
+    {
+        hmm_vec4 result = v4_1 / v4_2;
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 0.75f);
+        EXPECT_FLOAT_EQ(result.Z, 10.0f);
+        EXPECT_FLOAT_EQ(result.W, 0.25f);
+    }
+
+    v4_1 /= v4_2;
+    EXPECT_FLOAT_EQ(v4_1.X, 0.5f);
+    EXPECT_FLOAT_EQ(v4_1.Y, 0.75f);
+    EXPECT_FLOAT_EQ(v4_1.Z, 10.0f);
+    EXPECT_FLOAT_EQ(v4_1.W, 0.25f);
+}
+
+TEST(Division, Vec4Scalar)
+{
+    hmm_vec4 v4 = HMM_Vec4(1.0f, 2.0f, 3.0f, 4.0f);
+    float s = 2;
+
+    {
+        hmm_vec4 result = HMM_DivideVec4f(v4, s);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+        EXPECT_FLOAT_EQ(result.Z, 1.5f);
+        EXPECT_FLOAT_EQ(result.W, 2.0f);
+    }
+    {
+        hmm_vec4 result = HMM_Divide(v4, s);
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+        EXPECT_FLOAT_EQ(result.Z, 1.5f);
+        EXPECT_FLOAT_EQ(result.W, 2.0f);
+    }
+    {
+        hmm_vec4 result = v4 / s;
+        EXPECT_FLOAT_EQ(result.X, 0.5f);
+        EXPECT_FLOAT_EQ(result.Y, 1.0f);
+        EXPECT_FLOAT_EQ(result.Z, 1.5f);
+        EXPECT_FLOAT_EQ(result.W, 2.0f);
+    }
+
+    v4 /= s;
+    EXPECT_FLOAT_EQ(v4.X, 0.5f);
+    EXPECT_FLOAT_EQ(v4.Y, 1.0f);
+    EXPECT_FLOAT_EQ(v4.Z, 1.5f);
+    EXPECT_FLOAT_EQ(v4.W, 2.0f);
+}
+
+TEST(Division, Mat4Scalar)
+{
+    hmm_mat4 m4 = HMM_Mat4(); // will have 1 - 16
+    float s = 2;
+
+    // Fill the matrix
+    int Counter = 1;
+    for (int Column = 0; Column < 4; ++Column)
+    {
+        for (int Row = 0; Row < 4; ++Row)
+        {
+            m4.Elements[Column][Row] = Counter;
+            ++Counter;
+        }
+    }
+
+    // Test the results
+    {
+        hmm_mat4 result = HMM_DivideMat4f(m4, s);
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 0.5f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 1.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 1.5f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 2.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 2.5f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 3.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 3.5f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 4.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 4.5f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 5.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 5.5f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 6.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 6.5f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 7.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 7.5f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 8.0f);
+    }
+    {
+        hmm_mat4 result = HMM_Divide(m4, s);
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 0.5f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 1.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 1.5f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 2.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 2.5f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 3.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 3.5f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 4.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 4.5f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 5.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 5.5f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 6.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 6.5f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 7.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 7.5f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 8.0f);
+    }
+    {
+        hmm_mat4 result = m4 / s;
+        EXPECT_FLOAT_EQ(result.Elements[0][0], 0.5f);
+        EXPECT_FLOAT_EQ(result.Elements[0][1], 1.0f);
+        EXPECT_FLOAT_EQ(result.Elements[0][2], 1.5f);
+        EXPECT_FLOAT_EQ(result.Elements[0][3], 2.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][0], 2.5f);
+        EXPECT_FLOAT_EQ(result.Elements[1][1], 3.0f);
+        EXPECT_FLOAT_EQ(result.Elements[1][2], 3.5f);
+        EXPECT_FLOAT_EQ(result.Elements[1][3], 4.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][0], 4.5f);
+        EXPECT_FLOAT_EQ(result.Elements[2][1], 5.0f);
+        EXPECT_FLOAT_EQ(result.Elements[2][2], 5.5f);
+        EXPECT_FLOAT_EQ(result.Elements[2][3], 6.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][0], 6.5f);
+        EXPECT_FLOAT_EQ(result.Elements[3][1], 7.0f);
+        EXPECT_FLOAT_EQ(result.Elements[3][2], 7.5f);
+        EXPECT_FLOAT_EQ(result.Elements[3][3], 8.0f);
+    }
+
+    m4 /= s;
+    EXPECT_FLOAT_EQ(m4.Elements[0][0], 0.5f);
+    EXPECT_FLOAT_EQ(m4.Elements[0][1], 1.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[0][2], 1.5f);
+    EXPECT_FLOAT_EQ(m4.Elements[0][3], 2.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[1][0], 2.5f);
+    EXPECT_FLOAT_EQ(m4.Elements[1][1], 3.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[1][2], 3.5f);
+    EXPECT_FLOAT_EQ(m4.Elements[1][3], 4.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[2][0], 4.5f);
+    EXPECT_FLOAT_EQ(m4.Elements[2][1], 5.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[2][2], 5.5f);
+    EXPECT_FLOAT_EQ(m4.Elements[2][3], 6.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[3][0], 6.5f);
+    EXPECT_FLOAT_EQ(m4.Elements[3][1], 7.0f);
+    EXPECT_FLOAT_EQ(m4.Elements[3][2], 7.5f);
+    EXPECT_FLOAT_EQ(m4.Elements[3][3], 8.0f);
+}
+
+TEST(Projection, Orthographic)
+{
+    hmm_mat4 projection = HMM_Orthographic(-10.0f, 10.0f, -5.0f, 5.0f, 0.0f, -10.0f);
+
+    hmm_vec3 original = HMM_Vec3(5.0f, 5.0f, -5.0f);
+    hmm_vec4 projected = projection * HMM_Vec4v(original, 1);
+
+    EXPECT_FLOAT_EQ(projected.X, 0.5f);
+    EXPECT_FLOAT_EQ(projected.Y, 1.0f);
+    EXPECT_FLOAT_EQ(projected.Z, -2.0f);
+    EXPECT_FLOAT_EQ(projected.W, 1.0f);
+}
+
+TEST(Projection, Perspective)
+{
+    hmm_mat4 projection = HMM_Perspective(90.0f, 2.0f, 5.0f, 15.0f);
+
+    {
+        hmm_vec3 original = HMM_Vec3(5.0f, 5.0f, -15.0f);
+        hmm_vec4 projected = projection * HMM_Vec4v(original, 1);
+        EXPECT_FLOAT_EQ(projected.X, 5.0f);
+        EXPECT_FLOAT_EQ(projected.Y, 10.0f);
+        EXPECT_FLOAT_EQ(projected.Z, 15.0f);
+        EXPECT_FLOAT_EQ(projected.W, 15.0f);
+    }
+    {
+        hmm_vec3 original = HMM_Vec3(5.0f, 5.0f, -5.0f);
+        hmm_vec4 projected = projection * HMM_Vec4v(original, 1);
+        EXPECT_FLOAT_EQ(projected.X, 5.0f);
+        EXPECT_FLOAT_EQ(projected.Y, 10.0f);
+        EXPECT_FLOAT_EQ(projected.Z, -5.0f);
+        EXPECT_FLOAT_EQ(projected.W, 5.0f);
+    }
+}
+
+TEST(Transformations, Translate)
+{
+    hmm_mat4 translate = HMM_Translate(HMM_Vec3(1.0f, -3.0f, 6.0f));
+
+    hmm_vec3 original = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec4 translated = translate * HMM_Vec4v(original, 1);
+
+    EXPECT_FLOAT_EQ(translated.X, 2.0f);
+    EXPECT_FLOAT_EQ(translated.Y, -1.0f);
+    EXPECT_FLOAT_EQ(translated.Z, 9.0f);
+    EXPECT_FLOAT_EQ(translated.W, 1.0f);
+}
+
+TEST(Transformations, Rotate)
+{
+    hmm_vec3 original = HMM_Vec3(1.0f, 1.0f, 1.0f);
+
+    hmm_mat4 rotateX = HMM_Rotate(90, HMM_Vec3(1, 0, 0));
+    hmm_vec4 rotatedX = rotateX * HMM_Vec4v(original, 1);
+    EXPECT_FLOAT_EQ(rotatedX.X, 1.0f);
+    EXPECT_FLOAT_EQ(rotatedX.Y, -1.0f);
+    EXPECT_FLOAT_EQ(rotatedX.Z, 1.0f);
+    EXPECT_FLOAT_EQ(rotatedX.W, 1.0f);
+
+    hmm_mat4 rotateY = HMM_Rotate(90, HMM_Vec3(0, 1, 0));
+    hmm_vec4 rotatedY = rotateY * HMM_Vec4v(original, 1);
+    EXPECT_FLOAT_EQ(rotatedY.X, 1.0f);
+    EXPECT_FLOAT_EQ(rotatedY.Y, 1.0f);
+    EXPECT_FLOAT_EQ(rotatedY.Z, -1.0f);
+    EXPECT_FLOAT_EQ(rotatedY.W, 1.0f);
+
+    hmm_mat4 rotateZ = HMM_Rotate(90, HMM_Vec3(0, 0, 1));
+    hmm_vec4 rotatedZ = rotateZ * HMM_Vec4v(original, 1);
+    EXPECT_FLOAT_EQ(rotatedZ.X, -1.0f);
+    EXPECT_FLOAT_EQ(rotatedZ.Y, 1.0f);
+    EXPECT_FLOAT_EQ(rotatedZ.Z, 1.0f);
+    EXPECT_FLOAT_EQ(rotatedZ.W, 1.0f);
+}
+
+TEST(Transformations, Scale)
+{
+    hmm_mat4 scale = HMM_Scale(HMM_Vec3(2.0f, -3.0f, 0.5f));
+
+    hmm_vec3 original = HMM_Vec3(1.0f, 2.0f, 3.0f);
+    hmm_vec4 scaled = scale * HMM_Vec4v(original, 1);
+
+    EXPECT_FLOAT_EQ(scaled.X, 2.0f);
+    EXPECT_FLOAT_EQ(scaled.Y, -6.0f);
+    EXPECT_FLOAT_EQ(scaled.Z, 1.5f);
+    EXPECT_FLOAT_EQ(scaled.W, 1.0f);
+}